Home / 297,919.23-411,131.21-161,953.44

Finding the Fourth Proportional to 297,919.23, 411,131.21 and 161,953.44

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Solution

The fourth proportional to 297,919.23, 411,131.21 and 161,953.44 is: 223,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,919.23 : 411,131.21 = 161,953.44 : x
  2. Step 2: Convert to fraction form
    297,919.23/411,131.21 = 161,953.44/x
  3. Step 3: Cross multiply
    297,919.23x = 411,131.21 × 161,953.44
  4. Step 4: Simplify right side
    297,919.23x = 66,584,114,155.75
  5. Step 5: Solve for x
    x = 66,584,114,155.75/297,919.23
  6. Step 6: Final answer
    x = 223,497.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.